libc/utils/testutils/RoundingModeUtils.h

   1 //===-- RoundingModeUtils.h -------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H
  10 #define LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H
  11
  12 #include <stdint.h>
  13
  14 namespace __llvm_libc {
  15 namespace testutils {
  16
  17 enum class RoundingMode : uint8_t { Upward, Downward, TowardZero, Nearest };
  18
  19 struct ForceRoundingMode {
  20   ForceRoundingMode(RoundingMode);
  21   ~ForceRoundingMode();
  22
  23   int old_rounding_mode;
  24   int rounding_mode;
  25 };
  26
  27 template <RoundingMode R> struct ForceRoundingModeTest : ForceRoundingMode {
  28   ForceRoundingModeTest() : ForceRoundingMode(R) {}
  29 };
  30
  31 } // namespace testutils
  32 } // namespace __llvm_libc
  33
  34 #endif // LLVM_LIBC_UTILS_TESTUTILS_ROUNDINGMODEUTILS_H